Pharmaceutical Materials

CAS Number: 100-71-0

Molecular Formula: C7H9N

Molecular Weight: 107.153 g/mol

Appearance: Colorless to yellow liquid

Melting Point: -63°C

Boiling Point: 150.3°C

Density: 0.9 g/cm³

Usage: Mainly used in organic synthesis.

2-Ethylpyridine, with the CAS number 100-71-0, is an organic compound characterized by its molecular formula C₇H₉N and a molecular weight of 107.15 g/mol. It appears as a colorless to pale yellow liquid with a distinct odor. This compound is soluble in water and miscible with ethanol, while being freely soluble in ether and acetone. Its physical properties include a melting point of -63°C, a boiling point of 149°C, a density of 0.937 g/mL at 25°C, and a refractive index of 1.496. Additionally, it has a flash point of 29.4°C, indicating its flammability.

In terms of chemical properties, 2-Ethylpyridine is stable under normal conditions but incompatible with strong oxidizing agents and acids. It serves as a versatile intermediate in organic synthesis, particularly in the production of pharmaceuticals and pesticides.

Safety precautions are crucial when handling this compound, as it is classified as a hazardous material (Xi) and may cause irritation to eyes, skin, and the respiratory system. Proper storage in a cool, ventilated area away from heat and ignition sources is recommended.

Property	Description
Physical Properties
Appearance	Colorless to pale yellow liquid
Odor	Distinct
Melting Point	-63°C
Boiling Point	149°C
Density	0.937 g/mL at 25°C
Refractive Index	1.496
Flash Point	29.4°C
Solubility	Soluble in water, miscible with ethanol; freely soluble in ether and acetone
Chemical Properties
Molecular Formula	C₇H₉N
Molecular Weight	107.15 g/mol
Stability	Stable under normal conditions; incompatible with strong oxidizers and acids
Applications	Organic synthesis intermediate; used in pharmaceuticals and pesticides
Hazard Classification	Xi (irritant); may cause eye, skin, and respiratory irritation; flammable

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